WO2020082521A1

WO2020082521A1 - Led desk lamp having anti-false touch function

Info

Publication number: WO2020082521A1
Application number: PCT/CN2018/119713
Authority: WO
Inventors: 刘益全
Original assignee: 东莞全创光电实业有限公司
Priority date: 2018-10-26
Filing date: 2018-12-07
Publication date: 2020-04-30
Also published as: CN109357190A

Abstract

An LED desk lamp having an anti-false touch function, comprising a power source, a PCB and an LED lamp (L), and further comprising a wood base (1), a touch control switch (2), a wireless charging coil (3) and a recess (4); the touch control switch (2) and the wireless charging coil (3) are each disposed on an inner side wall of the wood base (1), the PCB is separately electrically connected to the power source, the touch control switch (2) and the wireless charging coil (3), the touch control switch (2) is electrically connected to the LED lamp (L), and the recess (4) is disposed on a surface of the wood base (1) and is arranged directly facing the touch control switch (2). The recess (4) directly faces the touch control switch (2) and is disposed on the surface of the wood base (1), and when a user uses the wireless charging coil (3) at the inner side wall of the wood base (1) for charging, the depressed recess (4) may prevent an electronic device and the touch control switch (2) from making contact with each other and causing the LED lamp (L) to erroneously light up or turn off, which thereby ensures that the illumination function of the LED desk lamp operates normally.

Description

LED desk lamp with anti-mistouch function

Technical field

The invention relates to the field of LED lighting, in particular to an LED desk lamp with a function of preventing accidental touch.

Background technique

The wireless charging type transmits the electric energy to the battery of the electronic device through the coil in a wireless transmission mode. The charging operation mode only needs to place the electronic device on the charging platform, and the convenient operation of the wireless charging mode eliminates the trouble of wiring.

Existing desk lamps with wireless charging function, because the charging platform is also provided with a desk lamp control switch, when the electronic device is placed on the charging platform to charge, it is easy to cause the control switch to malfunction, affecting the user's normal use of the desk lamp's lighting function.

technical problem

The technical problem to be solved by the present invention is to provide an LED desk lamp with an anti-mistouch function.

Technical solution

In order to solve the above technical problems, the technical solution adopted by the present invention is: an LED desk lamp with anti-mistouch function, including a power supply, a PCB board and an LED lamp, a wooden base, a touch switch, a wireless charging coil and a groove;

The touch switch and the wireless charging coil are both provided on the inner side wall of the wooden base, the PCB board is electrically connected to the power supply, the touch switch and the wireless charging coil, respectively, the touch switch and the LED The lamp is electrically connected, and the groove is provided on the surface of the wooden base and is directly opposite to the touch switch.

Beneficial effect

The beneficial effect of the present invention lies in that the groove is opposite to the touch switch on the surface of the wooden base. When the user uses the wireless charging coil on the inner wall of the wooden base to charge, the recessed groove can avoid the electronic device and the touch switch Contact, causing the LED lamp to illuminate or extinguish erroneously, to ensure that the lighting function of the LED desk lamp works normally.

BRIEF DESCRIPTION

1 is a schematic structural view of an LED desk lamp with an anti-mistouch function according to Embodiment 1 of the present invention;

2 is a cross-sectional view of an LED desk lamp with an anti-mistouch function according to Embodiment 1 of the present invention;

3 is a control circuit diagram of an LED desk lamp with an anti-mistouch function according to Embodiment 1 of the present invention;

4 is a wiring diagram of a power conversion switch of an LED desk lamp with an anti-mistouch function according to Embodiment 1 of the present invention.

Label description:

1. Wooden base;

2. Touch switch;

3. Wireless charging coil;

4. Groove;

5. USB interface;

U, touch chip;

Q. Transistor;

K. Relay;

L. LED light;

D. Diode;

C, capacitance.

Embodiments of the invention

In order to explain in detail the technical content of the present invention, the objectives and effects achieved, the following will be described in conjunction with the embodiments and accompanying drawings.

The most important concept of the present invention is that the groove is opposite to the touch switch and is arranged on the surface of the wooden base. The recessed groove can prevent the wireless charging electronic device from contacting the touch switch.

Please refer to FIG. 1 to FIG. 4, an LED desk lamp with anti-mistouch function, including power supply, PCB board and LED lamp L, also includes a wooden base 1, touch switch 2, wireless charging coil 3 and groove 4;

The touch switch 2 and the wireless charging coil 3 are both provided on the inner side wall of the wooden base 1, and the PCB board is electrically connected to the power supply, the touch switch 2 and the wireless charging coil 3 respectively. The switch 2 is electrically connected to the LED lamp L, and the groove 4 is provided on the surface of the wooden base 1 and is directly opposite to the touch switch 2.

The structural principle of the present invention is briefly described as follows: the wireless charging coil and the touch switch are both provided on the inner side wall of the wooden base, and a groove is provided at the corresponding position of the touch switch. The depressed groove can avoid being placed on the charging platform Of electronic devices touch the touch switch to turn on or turn off the LED lights, to avoid affecting the lighting function of the LED table lamp when using the wireless charging function of the LED table lamp.

As can be seen from the above description, the beneficial effect of the present invention is that the groove is facing the touch switch on the surface of the wooden base. When the user uses the wireless charging coil on the inner wall of the wooden base to charge, the recessed groove can avoid electronic The device is in contact with the touch switch, causing the LED lamp to erroneously turn on or off, ensuring that the lighting function of the LED desk lamp works normally.

Further, it also includes a power conversion switch, the input end of the power conversion switch is connected to the power supply, and the output end of the power conversion switch is electrically connected to the wireless charging coil 3.

As can be seen from the above description, the power conversion switch converts the alternating current into a voltage suitable for the wireless charging coil.

Further, a USB interface 5 is also included, and the USB interface 5 is connected to the output end of the power conversion switch.

It can be seen from the above description that the LED desk lamp is provided with a USB interface to provide another charging method for users, which is convenient for use.

Further, the output voltage of the output end of the power conversion switch ranges from 4.5-5V.

It can be seen from the above description that the output voltage range is suitable for most low-voltage equipment and has certain compatibility.

Further, it also includes a control circuit including a touch chip U, a transistor Q and a relay K, the touch chip U is connected to the output end of the power conversion switch, and the touch switch 2 is connected to the touch chip The input end of U is connected, and the output end of the touch chip U is connected to the relay K through a transistor Q; the relay K, the power supply and the LED lamp L together form a loop; the transistor Q is used to turn on and off the control circuit .

It can be seen from the above description that the user behavior command received on the touch switch directly controls the turning on or off of the LED lamp through the control circuit, abandons the traditional mechanical switch, extends the life of the switch, and provides the reliability of the switch.

Further, the control circuit further includes a diode D, an anode of the diode D is connected to the collector of the transistor Q, and a cathode of the diode D is connected to the first contact of the relay K.

Further, the control circuit further includes a capacitor C, and the input terminal of the touch chip U is grounded through the capacitor C.

Further, the touch switch 2 is a touch sensing electrode.

Further, the touch sensing electrode is a capacitive touch switch.

From the above description, it can be seen that the capacitive touch switch can accurately detect the effective touch without error, ensuring the sensitivity of the product.

Further, the shape of the groove 4 is circular.

It can be seen from the above description that the circumferential side of the circular groove smoothly transitions to the wooden base, which improves the comfort of touch.

Example one

Please refer to FIGS. 1 to 4, the first embodiment of the present invention is: an LED desk lamp with anti-mistouch function, including a power supply, a PCB board and an LED lamp L, a wooden base 1, a touch switch 2, and wireless charging Coil 3 and groove 4;

The touch switch 2 and the wireless charging coil 3 are both provided on the inner side wall of the wooden base 1, and the PCB board is electrically connected to the power supply, the touch switch 2 and the wireless charging coil 3 respectively. The switch 2 is electrically connected to the LED lamp L, the groove 4 is provided on the surface of the wooden base 1 and is directly opposite to the touch switch 2, it is easy to understand that the touch switch 3 and the recess The grooves 4 are respectively provided on both sides of the wooden base 1 and the two are directly opposite, that is, the touch switch 2 is provided on the inner side wall of the groove 4; preferably, the shape of the groove 4 is a circle The circumferential sides of the shaped and circular grooves 4 are smoothly connected with the wooden base 1, which helps to improve the user's comfort during use.

It also includes a power conversion switch and a USB interface 5, the input end of the power conversion switch is connected to the power supply, and the output end of the power conversion switch is electrically connected to the wireless charging coil 3 and the USB interface 5, respectively, the USB The interface 5 and the wireless charging coil 3 provide two different charging methods, which are convenient for the user to choose and use according to the actual situation.

Optionally, the output voltage of the output terminal of the power conversion switch is in the range of 4.5-5V. In this embodiment, the output voltage of the output terminal of the power conversion switch is 5V, and the low voltage of 5V is suitable for most low-voltage equipment , So that the LED desk lamp has certain compatibility.

The control circuit further includes a touch chip U, a transistor Q, and a relay K. The touch chip U is connected to the output of the power conversion switch, and the touch switch 2 is connected to the input of the touch chip U Connected to the terminal, the output end of the touch chip U is connected to the relay K through a transistor Q; the relay K, the power supply and the LED lamp L together form a loop; the transistor Q is used to turn on and off the control circuit.

Optionally, the control circuit further includes a diode D, an anode of the diode D is connected to the collector of the transistor Q, and a cathode of the diode D is connected to the first contact of the relay K. In this embodiment, the control circuit further includes a capacitor C, and the input terminal of the touch chip U is grounded through the capacitor C.

In detail, the touch switch 2 is a touch sensing electrode. Specifically, the touch-sensing electrode is a capacitive touch switch, and the capacitive touch switch can accurately detect the effective touch without error, thereby ensuring the sensitivity of the product.

In summary, the present invention provides an LED desk lamp with anti-mistouch function. The groove is opposite the touch switch on the surface of the wooden base. When the user uses the wireless charging coil on the inner wall of the wooden base to charge, The recessed groove can prevent the electronic device from contacting the touch switch, causing the LED lamp to illuminate or extinguish erroneously, and ensure the lighting function of the LED table lamp to work properly; the circumferential side of the circular groove smoothly transitions from the wooden base to enhance touch Comfort.

The above is only an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformation made by the description and drawings of the present invention, or directly or indirectly used in related technical fields, are equally included in the Within the scope of patent protection of the present invention.

Claims

An LED desk lamp with a function of preventing accidental touch includes a power supply, a PCB board and an LED lamp, and is characterized in that it further includes a wooden base, a touch switch, a wireless charging coil and a groove;

The touch switch and the wireless charging coil are both provided on the inner side wall of the wooden base, the PCB board is electrically connected to the power supply, the touch switch and the wireless charging coil, respectively, the touch switch and the LED The lamp is electrically connected, and the groove is provided on the surface of the wooden base and is directly opposite to the touch switch.
The LED desk lamp with anti-mistouch function according to claim 1, further comprising a power conversion switch, an input end of the power conversion switch is connected to the power supply, and an output end of the power conversion switch is connected to all The wireless charging coil is electrically connected.
The LED desk lamp with anti-mistouch function according to claim 2, further comprising a USB interface, the USB interface is connected to the output end of the power conversion switch.
The LED desk lamp with the function of preventing accidental touch according to claim 2, wherein the output voltage of the output end of the power conversion switch is in the range of 4.5-5V.
The LED desk lamp with anti-mistouch function according to claim 2, further comprising a control circuit, the control circuit includes a touch chip, a transistor and a relay, the touch chip and the output end of the power conversion switch Connected, the touch switch is connected to the input end of the touch chip, and the output end of the touch chip is connected to the relay through a triode; the relay, the power supply, and the LED lamp together form a loop; the triode is used to communicate Break the control circuit.
The LED desk lamp with anti-mistouch function according to claim 5, wherein the control circuit further comprises a diode, the anode of the diode is connected to the collector of the triode, and the cathode of the diode is connected to the The first contact of the relay is connected.
The LED desk lamp with anti-mistouch function according to claim 5, wherein the control circuit further includes a capacitor, and the input terminal of the touch chip is grounded through the capacitor.
The LED desk lamp with anti-mistouch function according to claim 1, wherein the touch switch is a touch sensing electrode.
The LED desk lamp with anti-mistouch function according to claim 8, wherein the touch sensing electrode is a capacitive touch switch.
The LED desk lamp with the function of preventing accidental touch according to claim 1, wherein the shape of the groove is circular.